Product comparison · 2 internal hard drives

Dell 77GRH internal hard drive vs Dell R7FKF internal hard drive

6specifications compared
4differ
2identical
3known for one product only

Key differences

The Dell R7FKF internal hard drive has 1 TB more HDD capacity than the Dell 77GRH internal hard drive (2 TB vs 1 TB). The Dell R7FKF internal hard drive has 1,800 RPM more HDD speed than the Dell 77GRH internal hard drive (7200 RPM vs 5400 RPM). The Dell R7FKF internal hard drive has 1" more HDD size than the Dell 77GRH internal hard drive (3.5" vs 2.5"). Interface: Serial ATA III on the Dell 77GRH internal hard drive, SAS on the Dell R7FKF internal hard drive.

HDD capacity
- 77GRH internal hard drive:1 TB
- R7FKF internal hard drive:2 TB
HDD speed
- 77GRH internal hard drive:5400 RPM
- R7FKF internal hard drive:7200 RPM
HDD size
- 77GRH internal hard drive:2.5"
- R7FKF internal hard drive:3.5"
Interface
- 77GRH internal hard drive:Serial ATA III
- R7FKF internal hard drive:SAS

Side by side

Differences highlightedShow differences only

Comparison of 77GRH, R7FKF
9 specifications	A Dell 77GRH internal hard drive Model 77GRH View product	B Dell R7FKF internal hard drive Model R7FKF View product
Features4 differ
HDD capacityDiffers	1 TB	2 TB
HDD speedDiffers	5400 RPM	7200 RPM
HDD sizeDiffers	2.5"	3.5"
InterfaceDiffers	Serial ATA III	SAS
Component forKnown for one	Server/workstation	Unknown — not stated by the source
HDD interface transfer rateKnown for one	Unknown — not stated by the source	12 Gbit/s
Poweridentical
Operating voltageKnown for one	5 V	Unknown — not stated by the source

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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